package com.ingta.si.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import com.ingta.si.admin.entity.Admin;
import com.ingta.si.utils.InitParams;

public class BaseController {

	protected Admin getUser(HttpSession session) {
		return (Admin) session.getAttribute(InitParams.ADMIN);
	}

	/**
	 * 取得客户端真实ip
	 * @param request 客户端请求
	 * @return 客户端真实ip
	 */
	protected String getIpAddr(HttpServletRequest request) {
		String ip = request.getHeader("X-Forwarded-For");
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("Proxy-Client-IP");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("WL-Proxy-Client-IP");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_CLIENT_IP");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_X_FORWARDED_FOR");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getRemoteAddr();
		}
		return ip;
	}
}
